1 / 20

STARTER SERVICE

STARTER SERVICE. STARTING SYSTEM COMPONENTS. BATTERY CABLES AND WIRING IGNITION SWITCH NEUTRAL SAFETY SWITCH STARTER RELAY/SOLENOID STARTER MOTOR. TROUBLESHOOTING. Problems fall into Four categories No Crank Slow Crank Starter spins but does not engage Excessive noise. PROCEDURES.

rachelle-roy
Télécharger la présentation

STARTER SERVICE

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. STARTER SERVICE

  2. STARTING SYSTEM COMPONENTS • BATTERY • CABLES AND WIRING • IGNITION SWITCH • NEUTRAL SAFETY SWITCH • STARTER RELAY/SOLENOID • STARTER MOTOR

  3. TROUBLESHOOTING • Problems fall into Four categories • No Crank • Slow Crank • Starter spins but does not engage • Excessive noise

  4. PROCEDURES • VERIFY PROBLEM • DEVELOP CONSISTENT METHOD • PERFORM VISUAL INSPECTION • CHECK BATTERY PERFORMANCE • VERIFY ENGINE CONDITION IF NO CRANK OR SLOW CRANK • (BE CAUTIOUS!)

  5. TROUBLE CHARTS • FIND NORMAL AMPERAGE STARTER DRAW SPECS. • BY SYMPTOM, CAN SOMETIMES DIAGNOSE PROBLEM IN STARTING SYSTEM • TESTING EQUIPMENT MUST BE ACCURATE

  6. QUICK TEST • TURN HEADLIGHTS ON • CRANK ENGINE • NOTE RESULTS • DON’T OVERCRANK ENGINE

  7. CURRENT DRAW TEST • DISABLE IGNITION • VISUAL INSPECT • HOOK UP EQUIPMENT • TURN OFF ALL ELECTRICAL LOADS • PERFORM TEST

  8. CURRENT DRAW TEST • VOLTAGE SHOULD NOT GO BELOW 10 VOLTS • AMPERAGE SHOULD BE ABOUT • 4 CYL. 125-150 • 6 CYL. 140-160 • 8 CYL. 160-200 small block • 8 CYL. 200-240 large block

  9. CURRENT DRAW TEST

  10. VOLTAGE DROP TEST • A CIRCUIT RESISTANCE TEST IS ALSO CALLED A VOLTAGE DROP TEST • YOU HAVE TO TEST BOTH THE POSITIVE AND THE NEGATIVE SIDES

  11. VOLTAGE DROP TEST INSULATED CIRCUIT • VOLTMETER ON LOW SCALE • HOOK UP EQUIPMENT • CRANK ENGINE • NOTE VOLTAGE • LESS THAN 0.5 VOLT • ALSO CALLED A INSULATED CIRCUIT RESISTANCE TEST

  12. VOLTAGE DROP INSULATED CIRCUIT LAB 164

  13. VOLTAGE DROP GROUND CIRCUIT • SELECT LOW SCALE • HOOK UP EQUIPMENT • CRANK ENGINE • NOTE RESULTS • LESS THAN 0.2V VOLTAGE DROP

  14. VOLTAGE DROP GROUND CIRCUIT

  15. SOLENOID CIRCUIT TEST • DISABLE IGNITION • LOW VOLT SCALE • CONNECT ACROSS SOLENOID • CRANK ENGINE • VOLTAGE LESS THAN 0.2 VOLT

  16. SOLENOID CIRCUIT TEST

  17. FREE SPEED TEST • TESTS STARTER FREE LOAD • AMPS • RPM • CAUTION! • COMPARE RESULTS TO SPECS

  18. Bench testing a starter

  19. STARTER R & R • DISCONNECT BATTERY! • IDENTIFY WIRES • PAY ATTENTION TO SHIMS, ETC. • ADJUST DRIVE GEAR CLEARANCE • RE-CHECK OPERATION

  20. THE END

More Related